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    • 4. 发明授权
    • Toner for developing electrostatic images and image forming method
    • 用于显影静电图像和成像方法的调色剂
    • US5948584A
    • 1999-09-07
    • US81085
    • 1998-05-19
    • Akira HashimotoTsutomu KukimotoSatoshi YoshidaManabu OhnoYasukazu AyakiSatoshi Handa
    • Akira HashimotoTsutomu KukimotoSatoshi YoshidaManabu OhnoYasukazu AyakiSatoshi Handa
    • G03G9/08G03G9/087G03G9/097G03G13/22
    • G03G9/08795G03G9/0825G03G9/0827G03G9/087G03G9/08755
    • A toner for developing electrostatic images is formed from toner particles containing at least a binder resin, a colorant, and a wax. The binder resin comprises a vinyl polymer component and a polyester component. The binder resin contains 40-99 wt. % of a component A, 0-20 wt. % of a component B, and 0-60 wt. % of a component C, the components B and C providing totally 1-60 wt. % of the binder resin. The component A comprises low- and medium-molecular weight components having molecular weights of below 10.sup.6, and the component B comprises high-molecular weight components having molecular weights of at least 106, respectively, based on a chromatogram obtained by gel permeation chromatography of a tetrahydrofuran (THF)-soluble component of the binder resin, and the component C is a THF-insoluble component of the binder resin. The GPC chromatogram of the THF-soluble component of the binder resin exhibits a main peak in a molecular weight region of 3.times.10.sup.3 -5.times.10.sup.4. The toner particles have a shape factor SF-1 of 100-160 and a shape factor SF-2 of 100-140.
    • 用于显影静电图像的调色剂由至少含有粘合剂树脂,着色剂和蜡的调色剂颗粒形成。 粘合剂树脂包含乙烯基聚合物组分和聚酯组分。 粘合剂树脂含有40-99wt。 组分A的%,0-20重量% 组分B的%,和0-60重量% 组分C的%,组分B和C提供总共1-60重量% %的粘合剂树脂。 组分A包含分子量低于106的低分子量组分和中等分子量组分,组分B包含分子量至少为106的高分子量组分,基于通过凝胶渗透色谱法获得的色谱图 四氢呋喃(THF) - 可溶成分的粘合剂树脂,组分C是粘合剂树脂的THF不溶性组分。 粘结剂树脂的THF可溶组分的GPC色谱图在3×103-5×104的分子量区域中显示出主峰。 调色剂颗粒的形状因子SF-1为100-160,形状因子SF-2为100-140。
    • 6. 发明授权
    • Toner for developing electrostatic images and image forming method
    • 用于显影静电图像和成像方法的调色剂
    • US06806016B2
    • 2004-10-19
    • US10352963
    • 2003-01-29
    • Manabu OhnoSatoshi YoshidaSatoshi HandaAkira HashimotoKeiji Komoto
    • Manabu OhnoSatoshi YoshidaSatoshi HandaAkira HashimotoKeiji Komoto
    • G03G1308
    • G03G9/0819G03G9/0827G03G9/08782
    • A toner suitable for use in electrophotography, etc., is composed of toner particles each containing a binder resin, a colorant and a wax component. The toner has a number-average particle size of 2-6 &mgr;m and a standard deviation in particle size of below 2.6 &mgr;m based on a number-basis distribution of circle-equivalent diameters, an average circularity of 0.970-0.995 and a standard deviation in circularity of below 0.030 based on a circularity frequency distribution, and a residual monomer content of at most 500 ppm. The toner particles have such a microtexture as to provide a particle cross section as observed through a transmission electron microscope (TEM) exhibiting a matrix of the binder resin and a particle of the wax dispersed in a discrete form in the matrix of the binder resin.
    • 适用于电子照相术等的调色剂由各自含有粘合剂树脂,着色剂和蜡组分的调色剂颗粒组成。 调色剂的数均粒径为2-6μm,粒径小于2.6μm的标准偏差基于圆当量直径的数均分布,平均圆形度为0.970-0.995,标准偏差为 圆形度低于0.030,基于圆形度频率分布,残留单体含量为500ppm以下。 调色剂颗粒具有这样的微观结构,以提供通过透射电子显微镜(TEM)观察到的颗粒横截面,该透射电子显微镜(TEM)显示粘合剂树脂的基体和以分散形式分散在粘合剂树脂的基体中的蜡的颗粒。
    • 7. 发明授权
    • Toner for developing electrostatic images and image forming method
    • 用于显影静电图像和成像方法的调色剂
    • US06528224B2
    • 2003-03-04
    • US09280579
    • 1999-03-30
    • Manabu OhnoSatoshi YoshidaSatoshi HandaAkira HashimotoKeiji Komoto
    • Manabu OhnoSatoshi YoshidaSatoshi HandaAkira HashimotoKeiji Komoto
    • G03G9097
    • G03G9/0819G03G9/0827G03G9/08782
    • A toner suitable for use in electrophotography, etc., is composed of toner particles each containing a binder resin, a colorant and a wax component. The toner has a number-average particle size of 2-6 &mgr;m and a standard deviation in particle size of below 2.6 &mgr;m based on a number-basis distribution of circle-equivalent diameters, an average circularity of 0.970-0.995 and a standard deviation in circularity of below 0.030 based on a circularity frequency distribution, and a residual monomer content of at most 500 ppm. The toner particles have such a microtexture as to provide a particle cross section as observed through a transmission electron microscope (TEM) exhibiting a matrix of the binder resin and a particle of the wax dispersed in a discrete form in the matrix of the binder resin.
    • 适用于电子照相术等的调色剂由各自含有粘合剂树脂,着色剂和蜡组分的调色剂颗粒组成。 调色剂的数均粒径为2-6μm,粒径小于2.6μm的标准偏差基于圆当量直径的数均分布,平均圆形度为0.970-0.995,标准偏差为 圆形度低于0.030,基于圆形度频率分布,残留单体含量为500ppm以下。 调色剂颗粒具有这样的微观结构,以提供通过透射电子显微镜(TEM)观察到的颗粒横截面,该透射电子显微镜(TEM)显示粘合剂树脂的基体和以分散形式分散在粘合剂树脂的基体中的蜡的颗粒。